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- # Source Generated with Decompyle++
- # File: in.pyo (Python 2.4)
-
- from test.test_support import TestFailed, verbose
- seps = '1e-05'
- eps = eval(seps)
- print 'math module, testing with eps', seps
- import math
-
- def testit(name, value, expected):
- if abs(value - expected) > eps:
- raise TestFailed, '%s returned %f, expected %f' % (name, value, expected)
-
-
- print 'constants'
- testit('pi', math.pi, 3.1415926000000001)
- testit('e', math.e, 2.7182818000000002)
- print 'acos'
- testit('acos(-1)', math.acos(-1), math.pi)
- testit('acos(0)', math.acos(0), math.pi / 2)
- testit('acos(1)', math.acos(1), 0)
- print 'asin'
- testit('asin(-1)', math.asin(-1), -(math.pi) / 2)
- testit('asin(0)', math.asin(0), 0)
- testit('asin(1)', math.asin(1), math.pi / 2)
- print 'atan'
- testit('atan(-1)', math.atan(-1), -(math.pi) / 4)
- testit('atan(0)', math.atan(0), 0)
- testit('atan(1)', math.atan(1), math.pi / 4)
- print 'atan2'
- testit('atan2(-1, 0)', math.atan2(-1, 0), -(math.pi) / 2)
- testit('atan2(-1, 1)', math.atan2(-1, 1), -(math.pi) / 4)
- testit('atan2(0, 1)', math.atan2(0, 1), 0)
- testit('atan2(1, 1)', math.atan2(1, 1), math.pi / 4)
- testit('atan2(1, 0)', math.atan2(1, 0), math.pi / 2)
- print 'ceil'
- testit('ceil(0.5)', math.ceil(0.5), 1)
- testit('ceil(1.0)', math.ceil(1.0), 1)
- testit('ceil(1.5)', math.ceil(1.5), 2)
- testit('ceil(-0.5)', math.ceil(-0.5), 0)
- testit('ceil(-1.0)', math.ceil(-1.0), -1)
- testit('ceil(-1.5)', math.ceil(-1.5), -1)
- print 'cos'
- testit('cos(-pi/2)', math.cos(-(math.pi) / 2), 0)
- testit('cos(0)', math.cos(0), 1)
- testit('cos(pi/2)', math.cos(math.pi / 2), 0)
- testit('cos(pi)', math.cos(math.pi), -1)
- print 'cosh'
- testit('cosh(0)', math.cosh(0), 1)
- testit('cosh(2)-2*cosh(1)**2', math.cosh(2) - 2 * math.cosh(1) ** 2, -1)
- print 'degrees'
- testit('degrees(pi)', math.degrees(math.pi), 180.0)
- testit('degrees(pi/2)', math.degrees(math.pi / 2), 90.0)
- testit('degrees(-pi/4)', math.degrees(-(math.pi) / 4), -45.0)
- print 'exp'
- testit('exp(-1)', math.exp(-1), 1 / math.e)
- testit('exp(0)', math.exp(0), 1)
- testit('exp(1)', math.exp(1), math.e)
- print 'fabs'
- testit('fabs(-1)', math.fabs(-1), 1)
- testit('fabs(0)', math.fabs(0), 0)
- testit('fabs(1)', math.fabs(1), 1)
- print 'floor'
- testit('floor(0.5)', math.floor(0.5), 0)
- testit('floor(1.0)', math.floor(1.0), 1)
- testit('floor(1.5)', math.floor(1.5), 1)
- testit('floor(-0.5)', math.floor(-0.5), -1)
- testit('floor(-1.0)', math.floor(-1.0), -1)
- testit('floor(-1.5)', math.floor(-1.5), -2)
- print 'fmod'
- testit('fmod(10,1)', math.fmod(10, 1), 0)
- testit('fmod(10,0.5)', math.fmod(10, 0.5), 0)
- testit('fmod(10,1.5)', math.fmod(10, 1.5), 1)
- testit('fmod(-10,1)', math.fmod(-10, 1), 0)
- testit('fmod(-10,0.5)', math.fmod(-10, 0.5), 0)
- testit('fmod(-10,1.5)', math.fmod(-10, 1.5), -1)
- print 'frexp'
-
- def testfrexp(name, .2, .4):
- (mant, exp) = .2
- (emant, eexp) = .4
- if abs(mant - emant) > eps or exp != eexp:
- raise TestFailed, '%s returned %r, expected %r' % (name, (mant, exp), (emant, eexp))
-
-
- testfrexp('frexp(-1)', math.frexp(-1), (-0.5, 1))
- testfrexp('frexp(0)', math.frexp(0), (0, 0))
- testfrexp('frexp(1)', math.frexp(1), (0.5, 1))
- testfrexp('frexp(2)', math.frexp(2), (0.5, 2))
- print 'hypot'
- testit('hypot(0,0)', math.hypot(0, 0), 0)
- testit('hypot(3,4)', math.hypot(3, 4), 5)
- print 'ldexp'
- testit('ldexp(0,1)', math.ldexp(0, 1), 0)
- testit('ldexp(1,1)', math.ldexp(1, 1), 2)
- testit('ldexp(1,-1)', math.ldexp(1, -1), 0.5)
- testit('ldexp(-1,1)', math.ldexp(-1, 1), -2)
- print 'log'
- testit('log(1/e)', math.log(1 / math.e), -1)
- testit('log(1)', math.log(1), 0)
- testit('log(e)', math.log(math.e), 1)
- testit('log(32,2)', math.log(32, 2), 5)
- testit('log(10**40, 10)', math.log(10 ** 40, 10), 40)
- testit('log(10**40, 10**20)', math.log(10 ** 40, 10 ** 20), 2)
- print 'log10'
- testit('log10(0.1)', math.log10(0.10000000000000001), -1)
- testit('log10(1)', math.log10(1), 0)
- testit('log10(10)', math.log10(10), 1)
- print 'modf'
-
- def testmodf(name, .2, .4):
- (v1, v2) = .2
- (e1, e2) = .4
- if abs(v1 - e1) > eps or abs(v2 - e2):
- raise TestFailed, '%s returned %r, expected %r' % (name, (v1, v2), (e1, e2))
-
-
- testmodf('modf(1.5)', math.modf(1.5), (0.5, 1.0))
- testmodf('modf(-1.5)', math.modf(-1.5), (-0.5, -1.0))
- print 'pow'
- testit('pow(0,1)', math.pow(0, 1), 0)
- testit('pow(1,0)', math.pow(1, 0), 1)
- testit('pow(2,1)', math.pow(2, 1), 2)
- testit('pow(2,-1)', math.pow(2, -1), 0.5)
- print 'radians'
- testit('radians(180)', math.radians(180), math.pi)
- testit('radians(90)', math.radians(90), math.pi / 2)
- testit('radians(-45)', math.radians(-45), -(math.pi) / 4)
- print 'sin'
- testit('sin(0)', math.sin(0), 0)
- testit('sin(pi/2)', math.sin(math.pi / 2), 1)
- testit('sin(-pi/2)', math.sin(-(math.pi) / 2), -1)
- print 'sinh'
- testit('sinh(0)', math.sinh(0), 0)
- testit('sinh(1)**2-cosh(1)**2', math.sinh(1) ** 2 - math.cosh(1) ** 2, -1)
- testit('sinh(1)+sinh(-1)', math.sinh(1) + math.sinh(-1), 0)
- print 'sqrt'
- testit('sqrt(0)', math.sqrt(0), 0)
- testit('sqrt(1)', math.sqrt(1), 1)
- testit('sqrt(4)', math.sqrt(4), 2)
- print 'tan'
- testit('tan(0)', math.tan(0), 0)
- testit('tan(pi/4)', math.tan(math.pi / 4), 1)
- testit('tan(-pi/4)', math.tan(-(math.pi) / 4), -1)
- print 'tanh'
- testit('tanh(0)', math.tanh(0), 0)
- testit('tanh(1)+tanh(-1)', math.tanh(1) + math.tanh(-1), 0)
-
- def test_exceptions():
- print 'exceptions'
-
- try:
- x = math.exp(-1000000000)
- except:
- raise TestFailed('underflowing exp() should not have raised an exception')
-
- if x != 0:
- raise TestFailed('underflowing exp() should have returned 0')
-
-
- try:
- x = math.exp(1000000000)
- except OverflowError:
- pass
-
- raise TestFailed("overflowing exp() didn't trigger OverflowError")
-
- try:
- x = math.sqrt(-1.0)
- except ValueError:
- pass
-
- raise TestFailed("sqrt(-1) didn't raise ValueError")
-
- if verbose:
- test_exceptions()
-
-